NB/T 47065.1  支座 BⅠ 6720

BI 6720

IF 300-150 RF

WN 150(B)-40 RF S=20

WN 200-900 RJ

BI 11735

SO50(B)-10 FF0-1

WN 3"-150 RF0@A B0084-1FS/ RFs=6F

WN50(A)-16 RF S=5.0

wn50B-16RF06 δRF14S

LWN50-900 RF/50 RF123 FM2000-2.550 RF75207510tMBL1000-150 RF=2105ss150 BL RFRFRF64Sc2@R